A comparative study of imaging techniques and methods to measure cerebral vascular reactivity.

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A comparative study of imaging techniques and methods to measure cerebral vascular reactivity.

Alst, P.W. van

(2013) Faculty of Medicine Theses

(Master thesis)

Abstract

Cerebrovascular Reactivity (CVR) reflects how well blood vessels are able to dilate or contract in response to a vasoactive stimulus. An impaired CVR may indicate cerebrovascular dysfunction. Various stimuli including breath-hold (BH), acetazolamide (ACZ) and breathing challenges are used to examine CVR. Changes in CVR have been observed using transcranial ... read more doppler ultrasonography (TCD), near-infrared spectroscopy (NIRS), and functional magnetic resonance imaging (fMRI). CVR stimulus response as well as the techniques employed to measure CVR are summarized in this paper. show less

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